CHAPTER 1
No Time to Read This Book?
We know what it feels like to be under pressure. Try out a few quick and proven optimization stunts described below. They may provide a good enough performance gain right away.
There are several parameters that can be adjusted with relative ease. Here are the steps we follow when hard pressed:
- Use Intel MPI Library1 and Intel Composer XE2
- Got more time? Tune Intel MPI:
- Collect built-in statistics data
- Tune Intel MPI process placement and pinning
- Tune OpenMP thread pinning
- Got still more time? Tune Intel Composer XE:
- Analyze optimization and vectorization reports
- Use interprocedural optimization
Using Intel ...
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